121891020
121,891,020 is an even composite number composed of six prime numbers multiplied together.
121891020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 121891020:
22 × 3 × 5 × 17 × 73 × 1637
(2 × 2 × 3 × 5 × 17 × 73 × 1637)See below for interesting mathematical facts about the number 121891020 from the Numbermatics database.
Names of 121891020
- Cardinal: 121891020 can be written as One hundred twenty-one million, eight hundred ninety-one thousand and twenty.
Scientific notation
- Scientific notation: 1.2189102 × 108
Factors of 121891020
Divisors of 121891020
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 73 85 102 146 170 204 219 255 292 340 365 438 510 730 876 1020 1095 1241 1460 1637 2190 2482 3274 3723 4380 4911 4964 6205 6548 7446 8185 9822 12410 14892 16370 18615 19644 24555 24820 27829 32740 37230 49110 55658 74460 83487 98220 111316 119501 139145 166974 239002 278290 333948 358503 417435 478004 556580 597505 717006 834870 1195010 1434012 1669740 1792515 2031517 2390020 3585030 4063034 6094551 7170060 8126068 10157585 12189102 20315170 24378204 30472755 40630340 60945510 121891020
- Sum of all divisors σ(n): 366545088
- Sum of proper divisors (its aliquot sum) s(n): 244654068
- 121891020 is an abundant number, because the sum of its proper divisors (244654068) is greater than itself. Its abundance is 122763048
Bases of 121891020
- Binary: 1110100001111101000110011002
- Hexadecimal: 0x743E8CC
- Base-36: 20KJPO
Squares and roots of 121891020
- 121891020 squared (1218910202) is 14857420756640400
- 121891020 cubed (1218910203) is 1810986170596070129208000
-
The
square root of 121891020 is 11040.4266221917 -
The
cube root of 121891020 is 495.8198433039
Scales and comparisons
How big is 121891020?- 121,891,020 seconds is equal to 3 years, 45 weeks, 3 days, 18 hours, 37 minutes.
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To count from 1 to 121,891,020 would take you about five years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 121891020 cubic inches would be around 41.3 feet tall.
Recreational maths with 121891020
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